| Sponzi vs King | 6–12 | 33.33% |
| Sponzi vs Steve | 6–11 | 35.29% |
| Sponzi vs Jin | 7–8 | 46.67% |
| Sponzi vs Hwoarang | 8–5 | 61.54% |
| Sponzi vs Kazuya | 4–9 | 30.77% |
| Sponzi vs Reina | 4–7 | 36.36% |
| Sponzi vs Azucena | 7–2 | 77.78% |
| Sponzi vs Law | 5–2 | 71.43% |
| Sponzi vs Armor King | 5–2 | 71.43% |
| Sponzi vs Yoshimitsu | 3–3 | 50.00% |
| Sponzi vs Devil Jin | 2–4 | 33.33% |
| Sponzi vs Jun | 0–6 | 0.00% |
| Sponzi vs Eddy | 3–3 | 50.00% |
| Sponzi vs Dragunov | 0–5 | 0.00% |
| Sponzi vs Nina | 2–3 | 40.00% |
| Sponzi vs Zafina | 1–4 | 20.00% |
| Sponzi vs Leroy | 4–1 | 80.00% |
| Sponzi vs Xiaoyu | 2–2 | 50.00% |
| Sponzi vs Bryan | 3–1 | 75.00% |
| Sponzi vs Feng | 1–2 | 33.33% |
| Sponzi vs Shaheen | 2–1 | 66.67% |
| Sponzi vs Heihachi | 0–3 | 0.00% |
| Sponzi vs Miary Zo | 1–2 | 33.33% |
| Sponzi vs Lili | 0–2 | 0.00% |
| Sponzi vs Leo | 0–2 | 0.00% |
| Sponzi vs Victor | 0–2 | 0.00% |
| Sponzi vs Lidia | 0–2 | 0.00% |
| Sponzi vs Clive | 1–1 | 50.00% |
| Sponzi vs Fahkumram | 0–2 | 0.00% |
| Sponzi vs Raven | 0–1 | 0.00% |
| Sponzi vs Anna | 0–1 | 0.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.